IBM shares were up $1.66, or 0.8%, at $204.48. Because the Dow is price-weighted, meaning it gives more weight to stocks with higher per-share price tags rather than market cap, IBM’s shares can exert extra influence. It was contributing 13 points of the Dow’s 118-point gain in recent trading.

The gains for Big Blue come ahead of Tuesday after-the-bell earnings report. Analysts surveyed by FactSet Research expect IBM to make $2.66 a share on sales of $24.8 billion. Read more on what’s expected from IBM.

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